To Buy or Not to Buy? Software Authors Publication Sinclair Users Network Pub Details Volume: 2 Issue: 3 Date May 1983 Pages 4, 16 Read the article See all articles from Sinclair Users Network May 1983 Review of Z-Tools and Step by Sinware. Products Downloadable Media Related Articles Tags Sinclair Users Network, 1983, Sinware, Software review, TS 1000 People No people associated with this content.